Webhook
- Is using a webhook mandatory?
- What types of webhooks does PayPay notify?
- Is the webhook always delivered?
- Is there Webhook notification if there is no payment transaction record?
- Tell me how to send a Webhook for "FAILED".
- Is it possible to set up multiple Webhook destinations?
- Please provide the IP address of Webhook notification source server.
- Is there any way to check the type of error if a webhook notification shows "FAILED"?
- How can I check if I cannot receive webhooks?
- Is there any difference in a webhook to be received depending on balance block setting?
- Can the status be subject to change after the immediate payment/ PreAuth & Capture is COMPLETED?
- How long will it take to send a webhook notification upon cashback failure?
- I changed PayPay for Developers to production environment settings, but the webhook is still set exclusively for the Sandbox environment.